1. Air pressure front separation, strong suction, does not hurt the skin 2. Easily suck out dirt without irritation 3. HD LCD display 4. Three gear modes can be adjusted 5. USB charging interface, convenient and fast 6. Input voltage: 5V 7. Rated power: 3W 8. Battery capacity: 650mAh 9. Charging time: about 2h 10. Use time: about 120-150min 11. Weight: about 86g 12. Size: about 16.5 x 4cm
